/* ==========================================
   FilterTube-Inspired Dark Theme
   YouTube Popup Player - ytpopupplayer.app
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Colors - FilterTube Dark Theme */
    --bg-darkest: #0a0a0a;
    --bg-dark: #121212;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --bg-elevated: #252525;

    --text-primary: #e0e0e0;
    --text-secondary: #999999;
    --text-muted: #666666;

    --accent-red: #ff0000;
    --accent-red-dark: #cc0000;
    --accent-red-glow: rgba(255, 0, 0, 0.3);
    --accent-glow: rgba(255, 0, 0, 0.5);
    --accent-glow-strong: rgba(255, 0, 0, 0.6);

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.15);
    --border-accent: rgba(255, 0, 0, 0.5);

    --success: #16a34a;
    --warning: #f59e0b;
    --error: #dc2626;

    /* Typography */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;
    --space-2xl: 60px;
    --space-3xl: 80px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Accessibility: Focus Indicators */
:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 2px;
}

/* Skip to Content Link (for screen readers) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-red);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 9999;
    font-family: var(--font-mono);
}

.skip-link:focus {
    top: 0;
}

/* Screen Reader Only Content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Body - Dark FilterTube Theme */
body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-darkest);
    position: relative;
}

/* Noise Texture Overlay - FilterTube Style */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Pulse Animation for Glow Effects */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* Glow Pulse Animation Class */
.glow-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Header - Dark with Red Accent
   ========================================== */
header {
    padding: 16px 0;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-red);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-shadow: 0 0 10px var(--accent-glow);
    transition: text-shadow 0.3s ease, transform 0.2s ease;
}

.logo .logo-icon {
    flex-shrink: 0;
    filter: drop-shadow(0 0 4px var(--accent-red-glow));
    transition: filter 0.3s ease, transform 0.2s ease;
}

.logo span {
    white-space: nowrap;
}

.logo:hover {
    text-shadow: 0 0 15px var(--accent-glow-strong), 0 0 25px var(--accent-red-glow);
}

.logo:hover .logo-icon {
    filter: drop-shadow(0 0 8px var(--accent-glow-strong));
    transform: scale(1.05);
}

nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

nav a {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--text-primary);
    text-shadow: 0 0 8px var(--accent-glow);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

/* CTA Button (Header) - Red Fill */
.cta-button {
    font-family: var(--font-mono);
    background: var(--accent-red);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.2s;
    display: inline-block;
    border: 1px solid var(--accent-red);
    cursor: pointer;
}

.cta-button:hover {
    background: var(--accent-red-dark);
    border-color: var(--accent-red-dark);
    box-shadow: 0 0 20px var(--accent-red-glow);
}

.cta-button:active {
    transform: translateY(1px);
}

.cta-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================
   Hero Section - FilterTube Style
   ========================================== */
.hero {
    text-align: center;
    padding: 120px 0 80px;
    background: var(--bg-darkest);
    position: relative;
}

/* Subtle grid background effect */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: var(--font-mono);
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-red-glow);
}

.hero p {
    font-family: var(--font-mono);
    font-size: 18px;
    margin-bottom: 48px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Primary Button - Red Fill */
.primary-button {
    font-family: var(--font-mono);
    background: var(--accent-red);
    color: white;
    padding: 16px 36px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.2s;
    border: 2px solid var(--accent-red);
    cursor: pointer;
    display: inline-block;
}

.primary-button:hover {
    background: var(--accent-red-dark);
    border-color: var(--accent-red-dark);
    box-shadow: 0 0 30px var(--accent-red-glow);
}

.primary-button:active {
    transform: translateY(1px);
}

/* Secondary Button - Transparent with Red Border */
.secondary-button {
    font-family: var(--font-mono);
    background: transparent;
    color: var(--accent-red);
    padding: 16px 36px;
    border: 2px solid var(--accent-red);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.2s;
    cursor: pointer;
    display: inline-block;
}

.secondary-button:hover {
    background: var(--accent-red);
    color: white;
    box-shadow: 0 0 30px var(--accent-red-glow);
}

.secondary-button:active {
    transform: translateY(1px);
}

/* ==========================================
   Social Proof Section
   ========================================== */
.social-proof {
    background: var(--bg-dark);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.proof-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.stat-item {
    color: var(--text-primary);
}

.stat-number {
    font-family: var(--font-mono);
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-red);
    letter-spacing: 1px;
    text-shadow: 0 0 10px var(--accent-glow);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.rating-star {
    font-size: 16px;
    color: var(--accent-yellow, #FFD700);
    vertical-align: middle;
    position: relative;
    top: -1px;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

/* ==========================================
   Features Section - FilterTube Cards
   ========================================== */
.features {
    background: var(--bg-darkest);
    padding: var(--space-3xl) 0;
}

.features h2 {
    font-family: var(--font-mono);
    text-align: center;
    font-size: 36px;
    margin-bottom: var(--space-2xl);
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 15px var(--accent-glow);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
    /* FIX 2025-12-11: Cards visible by default, no JS dependency */
    opacity: 1;
    transform: translateY(0);
}

/* .visible class kept for potential animation enhancements */
.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: var(--border-medium);
    background: var(--bg-card-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: var(--font-mono);
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--accent-red);
    letter-spacing: 0.5px;
}

.feature-card p {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 14px;
}

/* ==========================================
   Pricing Section - FilterTube Style
   ========================================== */
.pricing {
    background: var(--bg-dark);
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--border-subtle);
}

.pricing h2 {
    font-family: var(--font-mono);
    text-align: center;
    font-size: 36px;
    margin-bottom: var(--space-2xl);
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 36px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s;
    border: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    border-color: var(--border-medium);
    background: var(--bg-card-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.pricing-card.featured {
    border: 2px solid var(--accent-red);
    transform: scale(1.02);
    position: relative;
    box-shadow: 0 0 40px var(--accent-red-glow);
}

.pricing-card h3 {
    font-family: var(--font-mono);
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-card h3 .badge {
    display: inline-block;
    background: var(--accent-red);
    color: white;
    font-size: 10px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    margin-left: 8px;
    font-weight: 700;
    vertical-align: middle;
    letter-spacing: 0.5px;
}

.pricing-card .price {
    font-family: var(--font-mono);
    font-size: 42px;
    font-weight: 800;
    margin: 20px 0;
    color: var(--text-primary);
}

.pricing-card .price span {
    font-size: 16px;
    color: var(--text-muted);
}

.pricing-card ul {
    list-style: none;
    margin: 28px 0;
    text-align: left;
}

.pricing-card ul li {
    font-family: var(--font-mono);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 13px;
}

.pricing-card ul li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
    margin-right: 12px;
}

.pricing-card .cta-button {
    width: 100%;
    text-align: center;
    margin-top: auto;
}

/* ==========================================
   Content Pages (Privacy, Terms, Support)
   ========================================== */
.content-page {
    background: var(--bg-darkest);
    padding: var(--space-3xl) 0;
    min-height: 80vh;
}

.content-page .container {
    max-width: 900px;
}

.content-page h1 {
    font-family: var(--font-mono);
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.content-page h2 {
    font-family: var(--font-mono);
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--accent-red);
    letter-spacing: 1px;
}

.content-page h3 {
    font-family: var(--font-mono);
    font-size: 18px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.content-page p {
    font-family: var(--font-mono);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 14px;
    color: var(--text-secondary);
}

.content-page ul, .content-page ol {
    margin: 20px 0 20px 40px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.content-page a {
    color: var(--accent-red);
    text-decoration: underline;
}

.content-page a:hover {
    opacity: 0.8;
}

.last-updated {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 40px;
    font-size: 12px;
}

/* ==========================================
   Footer - FilterTube Style
   ========================================== */
footer {
    background: var(--bg-dark);
    color: var(--text-secondary);
    padding: 48px 0;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
}

footer p {
    font-family: var(--font-mono);
    font-size: 13px;
    margin-bottom: 12px;
}

footer a {
    color: var(--accent-red);
    text-decoration: none;
    transition: opacity 0.2s;
}

footer a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* ==========================================
   Upgrade Page Styles
   ========================================== */

/* Upgrade Hero */
.upgrade-hero {
    text-align: center;
    padding: 80px 20px 60px;
    background: var(--bg-darkest);
}

.upgrade-hero h1 {
    font-family: var(--font-mono);
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.upgrade-hero p {
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    letter-spacing: 0.5px;
}

/* Comparison Table */
.comparison-section {
    background: var(--bg-darkest);
    padding: var(--space-2xl) 0;
}

.comparison-header {
    text-align: center;
    margin-bottom: 40px;
}

.comparison-header h2 {
    font-family: var(--font-mono);
    font-size: 28px;
    color: var(--accent-red);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.comparison-header p {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 14px;
}

.comparison-table {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row.header {
    background: var(--accent-red);
    color: white;
}

.comparison-cell {
    padding: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 13px;
}

.comparison-cell.feature {
    justify-content: flex-start;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-card);
}

.comparison-row.header .comparison-cell {
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-row.header .comparison-cell.premium {
    background: rgba(255, 255, 255, 0.1);
}

.check-icon {
    color: var(--success);
    font-size: 18px;
}

.cross-icon {
    color: var(--error);
    font-size: 18px;
}

.limit-text {
    color: var(--text-muted);
    font-size: 13px;
}

.unlimited-text {
    color: var(--success);
    font-weight: 600;
}

/* Pricing Section (Upgrade Page) */
.pricing-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-subtle);
}

.pricing-section h2 {
    font-family: var(--font-mono);
    text-align: center;
    color: var(--accent-red);
    font-size: 28px;
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 15px var(--accent-glow);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.plan-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    border: 1px solid var(--border-subtle);
}

.plan-card:hover {
    border-color: var(--border-medium);
    background: var(--bg-card-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.plan-card.popular {
    border: 2px solid var(--warning);
    transform: scale(1.02);
}

.plan-card.popular:hover {
    transform: scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--warning);
    color: white;
    padding: 5px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-name {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-description {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 20px;
}

.plan-price {
    margin-bottom: 24px;
}

.plan-price .amount {
    font-family: var(--font-mono);
    font-size: 42px;
    font-weight: 800;
    color: var(--accent-red);
}

.plan-price .period {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-muted);
}

.plan-price .savings {
    display: inline-block;
    background: rgba(22, 163, 74, 0.2);
    color: var(--success);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    margin-top: 8px;
}

.plan-features {
    list-style: none;
    margin: 0 0 24px 0;
    padding: 0;
    text-align: left;
}

.plan-features li {
    font-family: var(--font-mono);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features .check {
    color: var(--success);
    font-weight: bold;
}

.checkout-button {
    font-family: var(--font-mono);
    width: 100%;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.checkout-button.primary {
    background: var(--accent-red);
    color: white;
    border: 1px solid var(--accent-red);
}

.checkout-button.primary:hover {
    background: var(--accent-red-dark);
    box-shadow: 0 0 20px var(--accent-red-glow);
}

.checkout-button.secondary {
    background: var(--warning);
    color: white;
    border: 1px solid var(--warning);
}

.checkout-button.secondary:hover {
    background: #d97706;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.checkout-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.checkout-button .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

.checkout-button.loading .spinner {
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Guarantee Section */
.guarantee-section {
    background: var(--bg-darkest);
    padding: var(--space-2xl) 20px;
    text-align: center;
}

.guarantee-section h2 {
    font-family: var(--font-mono);
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guarantee-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.guarantee-card {
    padding: 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
}

.guarantee-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.guarantee-card h3 {
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.guarantee-card p {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 13px;
}

/* FAQ Section */
.faq-section {
    background: var(--bg-dark);
    padding: var(--space-2xl) 20px;
    border-top: 1px solid var(--border-subtle);
}

.faq-section h2 {
    font-family: var(--font-mono);
    text-align: center;
    font-size: 24px;
    color: var(--accent-red);
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.faq-question {
    font-family: var(--font-mono);
    padding: 18px 20px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    transition: background 0.2s;
}

.faq-question:hover {
    background: var(--bg-card-hover);
}

.faq-answer {
    font-family: var(--font-mono);
    padding: 0 20px 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: none;
    font-size: 13px;
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-toggle {
    font-size: 20px;
    color: var(--accent-red);
    transition: transform 0.3s;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

/* Error/Success Messages */
.message-banner {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 13px;
    z-index: 1000;
    display: none;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { top: 60px; opacity: 0; }
    to { top: 80px; opacity: 1; }
}

.message-banner.error {
    background: rgba(220, 38, 38, 0.2);
    color: var(--error);
    border: 1px solid var(--error);
}

.message-banner.success {
    background: rgba(22, 163, 74, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.message-banner.visible {
    display: block;
}

/* ==========================================
   Responsive Styles
   ========================================== */

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .hero p {
        font-size: 14px;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        text-align: center;
    }

    .nav-links.open {
        display: flex;
    }

    nav {
        position: relative;
    }

    .proof-stats {
        gap: 40px;
    }

    .stat-number {
        font-size: 28px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .comparison-row {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .comparison-cell {
        padding: 12px 8px;
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 26px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
        max-width: 280px;
    }
}